National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall Wednesday

Severe thunderstorms will be possible over parts of the northern Plains again Wednesday which could bring large hail, damaging winds, and possible tornadoes. Thunderstorms with heavy to excessive rainfall may produce flooding over parts of the southern and northern Plains Wednesday. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

71°F

22°C

Humidity 96%
Wind Speed NE 6 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 3 Jun 3:56 am CDT
Extended Forecast for

Lockhart TX

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Light northeast wind becoming east northeast 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. East wind 5 to 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming light southeast in the evening. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. East southeast wind around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Light south southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Light northeast wind becoming east northeast 5 to 10 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. East wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming light southeast in the evening. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. East southeast wind around 5 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 87. Light south southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. South wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 90. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lockhart TX
 29.88°N 97.68°W (Elev. 525 ft)
Last Update:
2:42 am CDT Jun 3, 2026
Forecast Valid:
4am CDT Jun 3, 2026-6pm CDT Jun 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation